html-下拉框多选

        </table>
    </div>
    <div id="ds" style="display:none;padding:0px 0px 0px 0px; margin:0;">
        <table border="0" cellpadding="0" cellspacing="0" class="tableborder">
            <tr>
                <td id="td1"><input type="Checkbox" id="check1" name="idol02" value="1" onclick="aa(this,'td1')">你是1
                </td>

            </tr>
            <tr>
                <td id="td2"><input type="Checkbox" id="check2" name="idol02" value="2" onclick="aa(this,'td2')">你是2
                </td>

            </tr>
            <tr>
                <td id="td3"><input type="Checkbox" id="check3" name="idol02" value="3" onclick="aa(this,'td3')">你是3
                </td>

            </tr>
            <tr>
                <td id="td4"><input type="Checkbox" id="check4" name="idol02" value="4" onclick="aa(this,'td4')">你是4
                </td>
            </tr>
            <tr>
                <td id="td5"><input type="Checkbox" id="check5" name="idol02" value="5" onclick="aa(this,'td5')">你是5
                </td>
            </tr>
            <tr>
                <td id="td6"><input type="Checkbox" id="check6" name="idol02" value="6" onclick="aa(this,'td6')">你是6
                </td>
            </tr>
        </table>
    </div>
</form>